| 单词 | trapdoor spider |
| 释义 | trapdoor spidertrap·door spiderT0327000 (trăp′dôr′)trapdoor spidertrapdoor spider,burrow-dwelling spiderspider,organism, mostly terrestrial, of the class Arachnida, order Araneae, with four pairs of legs and a two-part body consisting of a cephalothorax, or prosoma, and an unsegmented abdomen, or opisthosoma. ..... Click the link for more information. of the Old and New Worlds. Trapdoor spiders dig burrows, which they line with silk and protect by constructing one or two circular, hinged trapdoors. The spiders emerge through the snug-fitting camouflaged doors to search for prey. Usually the burrow entrance has a door, the outer surface of which is camouflaged to blend in with the surrounding terrain. If a second door is present, it is usually below the entrance door. Trapdoor spiders are classified in the phylum ArthropodaArthropoda [Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites. ..... Click the link for more information. , class Arachnida, order Araneae, family Ctenizidae. |
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